Hydrologic Cycle and Factors Affecting Infiltration Quiz

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What happens to soil porosity and infiltration as bulk density increases?

Porosity decreases while infiltration increases

Porosity increases while infiltration decreases

Porosity and infiltration both increase

Porosity and infiltration both decrease (correct)

How does organic matter affect infiltration?

Organic matter first increases then decreases infiltration

Organic matter increases infiltration (correct)

Organic matter decreases infiltration

Organic matter has no effect on infiltration

How do the chemical properties of the soil affect infiltration?

Chemical properties have no effect on infiltration

Chemical properties of the infiltrating water can affect infiltration

Both b and c (correct)

Chemical properties affect the integrity of soil aggregates, which can impact infiltration

How does soil water content affect the infiltration rate?

Higher water content leads to lower infiltration rates Signup and view all the answers

How do the water retention characteristics of clay and sandy soils differ?

Clay soils drain water more slowly than sandy soils, even though they have smaller pore spaces Signup and view all the answers

How does the water retention characteristic of a soil affect infiltration in successive rain events?

In successive rain events, clay soils may remain saturated between storms, producing more runoff Signup and view all the answers

Which of the following soil properties primarily affects hydraulic conductivity?

Total porosity Signup and view all the answers

What is the primary factor affecting infiltration at the soil surface?

Surface cover Signup and view all the answers

Which of the following is NOT a surface factor affecting infiltration?

Soil bulk density Signup and view all the answers

What type of surface cover can reduce infiltration?

Impermeable materials like concrete or asphalt Signup and view all the answers

Which of the following is NOT a factor affecting hydraulic conductivity?

Soil temperature Signup and view all the answers

What is surface storage caused by?

Vegetation or other surface cover Signup and view all the answers

What are the three soil texture groups determined from the size distribution of individual particles in a soil sample?

Sand, silt, gravel Signup and view all the answers

Which soil physical property has the greatest effect on infiltration according to the text?

Bulk density Signup and view all the answers

What chemical property of soil is mentioned as affecting infiltration in the text?

pH level Signup and view all the answers

Which clay type is mentioned as having an impact on infiltration in the text?

Montmorillonite Signup and view all the answers

Which of the following is not a soil texture group that affects soil infiltration significantly?

Gravel Signup and view all the answers

Which of these factors is NOT listed as affecting infiltration in the text?

Temperature Signup and view all the answers

Hydrologic Cycle and Factors Affecting Infiltration Quiz

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